<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="page of pages">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="iconImage" >
            <img class="iconImageContent" :src="item.imgUrl">
          </div>
          <p class="desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: "Icons",
    props: {
      list: Array
    },
    data() {
      return {
        swiperOption: {

        }
      }
    },
    computed: {
      pages() {
        const pages = []
        this.list.forEach((item, index) => {
          var page = Math.floor(index / 8)
          if (!pages[page]) {
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }
    }
  }
</script>

<style lang="stylus" scoped>
@import "~styles/mixins.styl"
  .icons >>> .swiper-container
    width 100%
    height 0
    padding-bottom 50%

  .icon
    position relative
    width 25%
    height 0
    padding-bottom 25%
    float left
    .iconImage
      position absolute
      top 0
      left 0
      right 0
      bottom .44rem
      padding .1rem
      .iconImageContent
        height 100%
        display block
        margin 0 auto
    .desc
      position absolute
      left 0
      right 0
      bottom 0
      height .44rem
      line-height .44rem
      text-align center
      ellipsis()


</style>
